Home / 20,617.49-30,911.09-6,569.43

Finding the Fourth Proportional to 20,617.49, 30,911.09 and 6,569.43

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Solution

The fourth proportional to 20,617.49, 30,911.09 and 6,569.43 is: 9,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.49 : 30,911.09 = 6,569.43 : x
  2. Step 2: Convert to fraction form
    20,617.49/30,911.09 = 6,569.43/x
  3. Step 3: Cross multiply
    20,617.49x = 30,911.09 × 6,569.43
  4. Step 4: Simplify right side
    20,617.49x = 203,068,235.58
  5. Step 5: Solve for x
    x = 203,068,235.58/20,617.49
  6. Step 6: Final answer
    x = 9,849.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.